KR100816414B1 - 이축배향 폴리에틸렌나프탈레이트 필름 및 이의 제조방법 - Google Patents
이축배향 폴리에틸렌나프탈레이트 필름 및 이의 제조방법 Download PDFInfo
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- KR100816414B1 KR100816414B1 KR1020060106037A KR20060106037A KR100816414B1 KR 100816414 B1 KR100816414 B1 KR 100816414B1 KR 1020060106037 A KR1020060106037 A KR 1020060106037A KR 20060106037 A KR20060106037 A KR 20060106037A KR 100816414 B1 KR100816414 B1 KR 100816414B1
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- film
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- polyethylene naphthalate
- filter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/185—Acids containing aromatic rings containing two or more aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/185—Acids containing aromatic rings containing two or more aromatic rings
- C08G63/187—Acids containing aromatic rings containing two or more aromatic rings containing condensed aromatic rings
- C08G63/189—Acids containing aromatic rings containing two or more aromatic rings containing condensed aromatic rings containing a naphthalene ring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/19—Hydroxy compounds containing aromatic rings
- C08G63/193—Hydroxy compounds containing aromatic rings containing two or more aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
- C08L67/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
- C08J2367/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Magnetic Record Carriers (AREA)
Abstract
Description
Claims (8)
- 기계 방향으로의 5% 신장시 응력(F-5)이 21 kg/㎟ 이상이고, 인장강도가 40 kg/㎟ 이상이며, 필름 표면상에 형성된 돌기의 높이가 100nm 이하인 것을 특징으로 하는, 이축배향 폴리에틸렌나프탈레이트 필름.
- 제 1 항에 있어서,필름 표면에 높이 50 내지 100 nm의 돌기가 50개/㎟ 이하로 분포되어 있는 것을 특징으로 하는 필름.
- 제 2 항에 있어서,필름 표면에 높이 50 내지 100 nm의 돌기가 30개/㎟ 이하로 분포되어 있는 것을 특징으로 하는 필름.
- 다이메틸-2,6-나프탈렌다이카복실레이트와 에틸렌글리콜을 에스터 교환반응시킨 후 축중합반응시켜 폴리에틸렌나프탈레이트 수지를 수득하고, 수득된 수지를 용융압출시켜 얻은 미연신 시트를 종방향 및 횡방향으로 연신시킴으로써 이축연신 폴리에틸렌나프탈레이트 필름을 제조하는 방법에 있어서,상기 축중합 반응 이전에 반응용액을 20㎛ 이하의 메쉬 크기를 갖는 필터로 여과하고, 수지의 용융압출 과정중에 10㎛ 이하의 메쉬 크기를 갖는 필터를 사용하는 여 과공정을 추가로 수행하며, 미연신 시트를 종방향으로 4.3 내지 5.8배 및 횡방향으로 3.5 내지 5.0배로 연신하여 총 연신비가 20 이상이 되게 하는 것을 특징으로 하는 방법.
- 제 4 항에 있어서,수지의 용융압출 과정중의 여과공정이 5㎛ 이하의 메쉬 크기를 갖는 필터를 사용하여 수행되는 것을 특징으로 하는 방법.
- 제 4 항에 있어서,미연신 시트의 총 연신비가 20 내지 25인 것을 특징으로 하는 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 따른 이축연신 폴리에틸렌나프탈레이트 필름을 기재로 사용한 자기기록 매체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 따른 이축연신 폴리에틸렌나프탈레이트 필름을 기재로 사용한 전기절연재료.
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KR1020060106037A KR100816414B1 (ko) | 2006-10-31 | 2006-10-31 | 이축배향 폴리에틸렌나프탈레이트 필름 및 이의 제조방법 |
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KR1020060106037A KR100816414B1 (ko) | 2006-10-31 | 2006-10-31 | 이축배향 폴리에틸렌나프탈레이트 필름 및 이의 제조방법 |
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KR100816414B1 true KR100816414B1 (ko) | 2008-03-25 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0625268B2 (ja) * | 1988-10-28 | 1994-04-06 | ダイアホイルヘキスト株式会社 | ポリエチレン−2,6−ナフタレートフィルム |
JPH07238152A (ja) * | 1994-02-28 | 1995-09-12 | Toray Ind Inc | ポリエチレンナフタレートフィルムの製造方法 |
KR0184607B1 (ko) * | 1991-10-31 | 1999-05-15 | 이다가끼 히로시 | 폴리에틸렌-2,6-나프탈렌디카르복실레이트 필름 |
KR100258451B1 (ko) * | 1991-03-04 | 2000-06-01 | 구기사와 도시로 | 디지탈 기록 매체 |
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- 2006-10-31 KR KR1020060106037A patent/KR100816414B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0625268B2 (ja) * | 1988-10-28 | 1994-04-06 | ダイアホイルヘキスト株式会社 | ポリエチレン−2,6−ナフタレートフィルム |
KR100258451B1 (ko) * | 1991-03-04 | 2000-06-01 | 구기사와 도시로 | 디지탈 기록 매체 |
KR0184607B1 (ko) * | 1991-10-31 | 1999-05-15 | 이다가끼 히로시 | 폴리에틸렌-2,6-나프탈렌디카르복실레이트 필름 |
JPH07238152A (ja) * | 1994-02-28 | 1995-09-12 | Toray Ind Inc | ポリエチレンナフタレートフィルムの製造方法 |
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